System "rtg-math.vari" not found

[dotmilk]

Quicklisp version of cepl and cepl.sdl2.
Cloned cepl.examples.
results in: System "rtg-math.vari" not found when I try to (ql:quickload 'cepl.examples)

[metayan]

Did you get it to work?
Can't replicate your issue on macOS at least.